Description
Part Description
This engine control module (ECM/PCM) was removed from a 2000 Lexus RX300 donor vehicle. The electronic control unit has been inspected by our technicians and is currently on the shelf ready to ship. This OEM Lexus part carries ID number 89661-48080 and is guaranteed to be in working condition.
The engine control module is the brain of your vehicle’s engine management system, controlling fuel injection, ignition timing, emissions systems, and other critical engine functions. Common reasons for ECM replacement include electrical failure, water damage, or internal component degradation that causes poor engine performance, rough idling, or check engine light issues.
At 603 Auto Salvage, we maintain over 50,000 quality used auto parts in stock from more than 1,100 vehicles. Our experienced team can help you find the right ECM for your Lexus or assist with compatibility questions. Contact us today or browse our extensive online inventory to find the parts you need. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
Part Specifications
| Part | Engine Control Module (ECM/PCM) – Electronic Control Unit |
| Interchange # | 59189 |
| OEM Part Number | 89661-48080 |
| Side | N/A |
| Part Grade | X — Grade X – Inspected and ready to ship, ID 89661-48080 verified |
| Warranty | 90-Day Warranty (Standard warranty for electronic control modules) |
| Type | Used OEM |
Vehicle Information (Donor)
| Year / Make / Model | 2000 LEXUS RX300 |
| VIN | N/A |
| Vehicle Stock # | PCM8080 |
Our Testing & Inspection Process
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Engine Control Module (ECM/PCM) – Electronic Control Unit:
| ✅ Physical Housing Condition | Inspected for cracks, corrosion, and connector damage |
| ✅ Connector Pins | Verified all pins are straight and free of corrosion |
| ✅ Part Number Verification | Confirmed OEM part number 89661-48080 |
| ✅ External Damage Check | No visible signs of water damage or impact |
| ✅ Mounting Points | All mounting tabs and brackets intact |
Compatibility — What Vehicles Does This Part Fit?
Based on interchange #59189, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2000 | Lexus | RX300 | Contact us for full compatibility list and programming requirements |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
Warranty & Shipping
Frequently Asked Questions
Will this ECM need to be programmed for my 2000 Lexus RX300?
Yes, most engine control modules require programming to match your vehicle’s VIN and specific configuration. We recommend having this done by a qualified technician or Lexus dealer.
What are common signs that my RX300 ECM is failing?
Common symptoms include check engine light, poor fuel economy, rough idling, stalling, or the engine not starting. These issues can also be caused by other components, so proper diagnosis is recommended.
Is this the original Lexus part or aftermarket?
This is a genuine OEM Lexus engine control module with part number 89661-48080, not an aftermarket replacement.
How do I know if this ECM will fit my specific RX300?
This ECM fits 2000 Lexus RX300 models, but programming and specific engine configurations may vary. Contact us with your VIN for exact compatibility verification.
What’s included with the ECM purchase?
You receive the engine control module unit only. Programming, installation, and any required connectors or mounting hardware are not included.
Related Parts & Resources
OEM Part Numbers & Cross-Reference
Looking for this part by number? Here are the reference numbers:
| Lexus Part Number | 89661-48080 |
| Interchange Number | 59189 |
| Stock Number | PCM8080 |
Price Comparison — Why Used OEM Makes Sense
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $800-1200 | 1 year | Brand new, longest wait time |
| Aftermarket | $300-500 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $150-250 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $100 | 90-Day Warranty | Tested, Grade X, ships in 24hrs |
Installation Notes
- Disconnect battery before removing or installing ECM to prevent electrical damage
- Take photos of connector positions before disconnection for proper reassembly
- Handle the ECM carefully and avoid static electricity – use anti-static precautions
- ECM will likely need programming by dealer or qualified technician after installation
- Clear any stored error codes after installation and programming is complete
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
Estimated Shipping Costs by Region
This part ships via FedEx Ground. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $15 – $30 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $20 – $40 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $25 – $45 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $30 – $50 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $35 – $55 | 4–6 business days |
| West Coast (CA, OR, WA) | $40 – $65 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Why Buy From 603 Auto Salvage?
- 50,000+ parts in stock from over 1,100 vehicles on-site in Plaistow, NH
- Every part inspected before listing — no guesswork
- Family-owned salvage yard — real people, not a call center
- 90-Day Warranty on this part
- Fast shipping — most orders ship within 24 hours
- Competitive pricing — save 50–70% vs dealer prices
- Serving New Hampshire, Massachusetts & all 50 states
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.




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